Estimating tunnel wall displacements using a simple sensor based on a Brillouin optical time domain reflectometer apparatus

Keyphrases

• Rock Mass 100%
• Brillouin Optical Time Domain Reflectometry (BOTDR) 100%
• Sensor-based 100%
• Wall Displacement 100%
• Simple Sensor 100%
• Tunnel Wall 100%
• Monitoring System 66%
• PVC Tube 66%
• Longitudinal Strain 66%
• Mining Activities 33%
• Underground Mining 33%
• Back Analysis 33%
• Strain Measurement 33%
• Bending Displacement 33%
• Beam Type 33%
• Tube Bending 33%
• Rock Mass Movement 33%
• Strain Monitoring 33%
• Linear Beams 33%
• 4-point 33%
• Tube Surface 33%
• Electrical Resistance Strain Gauge 33%
• Tunnel Monitoring 33%
• Algorithm Analysis 33%
• Systems-based 33%

INIS

• apparatus 100%
• sensors 100%
• walls 100%
• tubes 83%
• strains 66%
• rocks 66%
• monitoring 50%
• optical fibers 50%
• tools 33%
• laboratories 33%
• surfaces 33%
• mines 33%
• pvc 33%
• algorithms 16%
• mining 16%
• capture 16%
• underground 16%
• bending 16%
• one-dimensional calculations 16%
• strain gages 16%
• beams 16%
• electrical resistance 16%

Engineering

• Rock Mass 100%
• Optical Time 100%
• Time Domain 100%
• Brillouin Zone 100%
• Optical Fiber 75%
• Longitudinal Strain 50%
• One Dimensional 25%
• Monitoring System 25%
• Electrical Resistance Strain Gauge 25%
• Element Type 25%
• Bending (Forming) 25%
• Field Trial 25%